soc: ti: mspm0: add support for L series

mspm0 family of SoC series is split into three category,

mspm0g - high performance
mspm0l - low power
mspm0c - entry level

With G already part added, add support for L series of SoC's.

Signed-off-by: Parthiban Nallathambi <parthiban@linumiz.com>

soc/ti/mspm0/CMakeLists.txt

@@ -2,7 +2,7 @@
 
 set(SOC_LINKER_SCRIPT ${ZEPHYR_BASE}/include/zephyr/arch/arm/cortex_m/scripts/linker.ld CACHE INTERNAL "SoC Linker Script")
 
-add_subdirectory(${SOC_SERIES})
+add_subdirectory(common)
 
 if(CONFIG_SOC_FAMILY_TI_MSPM0)
 	string(TOUPPER ${CONFIG_SOC} SDK_SOC_SELECT)

soc/ti/mspm0/mspm0l/Kconfig

@@ -0,0 +1,17 @@
+# TI MSPM0L
+
+# Copyright (c) 2025 Texas Instruments
+# Copyright (c) 2025 Linumiz GmbH
+# SPDX-License-Identifier: Apache-2.0
+
+config SOC_SERIES_MSPM0L
+	select ARM
+	select CPU_CORTEX_M0PLUS
+	select CPU_CORTEX_M_HAS_VTOR
+	select CPU_HAS_ARM_MPU
+	select CPU_CORTEX_M_HAS_SYSTICK
+	select BUILD_OUTPUT_BIN
+	select BUILD_OUTPUT_HEX
+	select HAS_MSPM0_SDK
+	select CLOCK_CONTROL
+	select SOC_EARLY_INIT_HOOK

soc/ti/mspm0/mspm0l/Kconfig.defconfig

@@ -0,0 +1,12 @@
+# TI MSPM0L series
+
+# Copyright (c) 2025 Texas Instruments
+# Copyright (c) 2025 Linumiz GmbH
+# SPDX-License-Identifier: Apache-2.0
+
+if SOC_SERIES_MSPM0L
+
+config NUM_IRQS
+	default 32
+
+endif # SOC_SERIES_MSPM0L

soc/ti/mspm0/mspm0l/Kconfig.soc

@@ -0,0 +1,89 @@
+# Copyright (c) 2024 Texas Instruments
+# Copyright (c) 2025 Linumiz GmbH
+# SPDX-License-Identifier: Apache-2.0
+
+config SOC_SERIES_MSPM0L
+	bool
+	select SOC_FAMILY_TI_MSPM0
+	help
+	  Enable support for TI MSPM0L series SoCs
+
+config SOC_MSPM0L1105
+	bool
+	select SOC_SERIES_MSPM0L
+
+config SOC_MSPM0L1106
+	bool
+	select SOC_SERIES_MSPM0L
+
+config SOC_MSPM0L1117
+	bool
+	select SOC_SERIES_MSPM0L
+
+config SOC_MSPM0L1227
+	bool
+	select SOC_SERIES_MSPM0L
+
+config SOC_MSPM0L1228
+	bool
+	select SOC_SERIES_MSPM0L
+
+config SOC_MSPM0L1303
+	bool
+	select SOC_SERIES_MSPM0L
+
+config SOC_MSPM0L1304
+	bool
+	select SOC_SERIES_MSPM0L
+
+config SOC_MSPM0L1305
+	bool
+	select SOC_SERIES_MSPM0L
+
+config SOC_MSPM0L1306
+	bool
+	select SOC_SERIES_MSPM0L
+
+config SOC_MSPM0L1343
+	bool
+	select SOC_SERIES_MSPM0L
+
+config SOC_MSPM0L1344
+	bool
+	select SOC_SERIES_MSPM0L
+
+config SOC_MSPM0L1345
+	bool
+	select SOC_SERIES_MSPM0L
+
+config SOC_MSPM0L1346
+	bool
+	select SOC_SERIES_MSPM0L
+
+config SOC_MSPM0L2227
+	bool
+	select SOC_SERIES_MSPM0L
+
+config SOC_MSPM0L2228
+	bool
+	select SOC_SERIES_MSPM0L
+
+config SOC_SERIES
+	default "mspm0l" if SOC_SERIES_MSPM0L
+
+config SOC
+	default "mspm0l1105" if SOC_MSPM0L1105
+	default "mspm0l1106" if SOC_MSPM0L1106
+	default "mspm0l1117" if SOC_MSPM0L1117
+	default "mspm0l1227" if SOC_MSPM0L1227
+	default "mspm0l1228" if SOC_MSPM0L1228
+	default "mspm0l1303" if SOC_MSPM0L1303
+	default "mspm0l1304" if SOC_MSPM0L1304
+	default "mspm0l1305" if SOC_MSPM0L1305
+	default "mspm0l1306" if SOC_MSPM0L1306
+	default "mspm0l1343" if SOC_MSPM0L1343
+	default "mspm0l1344" if SOC_MSPM0L1344
+	default "mspm0l1345" if SOC_MSPM0L1345
+	default "mspm0l1346" if SOC_MSPM0L1346
+	default "mspm0l2227" if SOC_MSPM0L2227
+	default "mspm0l2228" if SOC_MSPM0L2228

soc/ti/mspm0/soc.yml

@@ -17,3 +17,20 @@ family:
     - name: mspm0g3506
     - name: mspm0g3507
     - name: mspm0g3519
+  - name: mspm0l
+    socs:
+    - name: mspm0l1105
+    - name: mspm0l1106
+    - name: mspm0l1117
+    - name: mspm0l1227
+    - name: mspm0l1228
+    - name: mspm0l1303
+    - name: mspm0l1304
+    - name: mspm0l1305
+    - name: mspm0l1306
+    - name: mspm0l1343
+    - name: mspm0l1344
+    - name: mspm0l1345
+    - name: mspm0l1346
+    - name: mspm0l2227
+    - name: mspm0l2228